Cushion|Lab Grown|IGI

1.51ct F VVS1 Cushion Lab Grown Diamond

EX • F/VVS1 • IGI LG820605268

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG820605268

Diamond specifications and retailer prices

From $422 CAD
As of November 4, 2026
Save $2,239 CAD (84%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,662 CAD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.51ct lab-grown cushion diamond

This 1.51ct lab-grown cushion sits in the one-and-a-half to two carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG820605268 or 820605268. Listed at 16 retailers as of November 4, 2026, with prices from $422 to $2,662, a $2,239 spread on the same certified stone. Brilliant Earth lists it at $2,662. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
F
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG820605268
Dimensions6.72 × 6.65 × 4.45 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.72 mm6.65 mm1.51 ctF / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG820605268
Side View
Table 61.0%Crown 36.7°Girdle: MED-THKPavilion 39.6°Culet: NoneDepth 66.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $2,662 CAD|Low: $351 CAD|High: $2,662 CAD|Avg: $1,144 CAD|+1.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 5, 2026
Retailer 10$422 CAD
Retailer 11$428 CAD
Retailer 16$654 CAD
Retailer 4$677 CAD
Retailer 14$691 CAD
Retailer 2$747 CAD
Retailer 3$858 CAD
Retailer 12$935 CAD
Retailer 13$1,086 CAD
Retailer 7$1,360 CAD
Retailer 8$1,573 CAD
Retailer 9$1,601 CAD
Retailer 5$1,630 CAD
Retailer 6$1,805 CAD
Retailer 15$1,867 CAD
Brilliant Earth$2,662 CAD

22 data points across 16 retailers

16 retailers$422 CAD to $2,662 CAD

A
Cheapest Retailer
-
$422 CAD
A
Retailer 2
-
$428 CAD
View
Final sale: no returns
A
Retailer 3
-
$654 CAD
View
A
Retailer 4
-
$677 CAD
View
A
Retailer 5
-
$691 CAD
View
A
Retailer 6
-
$747 CAD
View
A
Retailer 7
-
$858 CAD
View
A
Retailer 8
-
$935 CAD
View
B+
Retailer 9
-
$1,086 CAD
View
B+
Retailer 10
-
$1,360 CAD
View
B
Retailer 11
-
$1,573 CAD
View
B+
Retailer 12
-
$1,601 CAD
View
B+
Retailer 13
-
$1,630 CAD
View
B
Retailer 14
-
$1,805 CAD
View
B
Retailer 15
-
$1,867 CAD
View
Most Expensive
B
Brilliant Earth
20897430A · Nov 4
$2,662 CAD
$1,910 USD
View
15 more retailers have this diamond
Prices start from $422 CADSave up to $2,239 CAD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.51ct Cushion
$422 CAD